Home / 864,075.40-1,293,845.10-609,983.80

Finding the Fourth Proportional to 864,075.40, 1,293,845.10 and 609,983.80

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Solution

The fourth proportional to 864,075.40, 1,293,845.10 and 609,983.80 is: 913,374.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,075.40 : 1,293,845.10 = 609,983.80 : x
  2. Step 2: Convert to fraction form
    864,075.40/1,293,845.10 = 609,983.80/x
  3. Step 3: Cross multiply
    864,075.40x = 1,293,845.10 × 609,983.80
  4. Step 4: Simplify right side
    864,075.40x = 789,224,550,709.38
  5. Step 5: Solve for x
    x = 789,224,550,709.38/864,075.40
  6. Step 6: Final answer
    x = 913,374.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.